Un día para mucho. Imaginese lo que puede suceder en tres meses.
I leave the translation as an exercise for the reader.
Many Americans don't realize that many European newspapers are affiliated with or even published by political parties. According to commentor Encolpio, El Pais belongs to PRISA, a group in the pocket of the Socialists (PSOE).
Found via The Command Post.
UPDATE: Barcepundit confirms PRISA's ties to the Socialists.